Frequently Asked Questions

A. All of our finned cast aluminum accessories, plaques, buckles, key chains, cast brake parts, air cleaners and elements are manufactured in the USA.

A. Please click here to get complete information.

A. Please click here to get complete information.

A. Our standard turnaround time is currently 3-6 weeks from the time we have gotten approval of an artwork from our customer. The standard lead time for custom cast products can vary depending on the particular item being ordered and the work load at our subcontractors. We will quote an estimated time to shipment at the time the order is placed.

A. Products that are custom cast for customers cannot be returned.

A. You need to determine what type of carbs you have, how many you are running and what style air cleaners you are looking for. Please click here to access a chart showing what we have to offer and link to the different product pages from there.

A. Yes we have both single covers and individual air cleaners for multiple 1BBL, 2BBL and 4BBL setups. Please use this chart to access a chart showing what we have to offer and link to the different product pages from there.

A. First you need to know whether you're looking for air cleaners for 2 barrel or 4 barrel carbs, then you'll need to know how many carbs you're running and the throat size (diameter of carb neck where the air cleaner attaches) of each carb. This chart shows how to take these measurements and some of the common neck sizes. In addition, this chart shows what O'Brien Truckers has to offer for different combinations.

A. When ordering valve covers, all you need to know is the make and style of motor you are running. For early HEMI valve covers our Dodge covers fit 241 - 325 CI motors, the DeSoto covers fit 276 - 345 motors, Chryslers covers fit 331 - 392 motors, our 215 Buick covers fit the all aluminum 215 Buick and Rover motors, and our Chevy valve covers fit small block Chevys with a perimeter bolt pattern or center bolt heads with the adaptors we can provide.

A. We have created a chart that shows measurements from the multiple ways you can measure your header flanges. Just find the measurements that match your flange on this chart and you'll be all set to order the correct caps. Click here to go to the chart.

A. We attempt to have all products in stock at all times. In some rare instances a sudden spike in sales of a particular item could cause us to go into a temporary out of stock situation.

A. Product in stock is shipped within two business days of receiving the order unless we are out of town at an event, we are street rodders after all.

A. Standard products can be returned as long as they were purchased directly from us and they reach us in "as new" and salable condition. We will refund the original purchase price minus shipping costs.

A. In addition to the normal contact data, we need information showing that you are an established business. Please fill out the appropriate form on our Contact Us page.